| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 500-50** | (303) 500-5020 - (303) 500-5072 | 10 |
| (303) 500-51** | (303) 500-5101 - (303) 500-5191 | 5 |
| (303) 500-52** | (303) 500-5252 - (303) 500-5297 | 3 |
| (303) 500-53** | (303) 500-5377 - (303) 500-5377 | 1 |
| (303) 500-54** | (303) 500-5439 - (303) 500-5466 | 3 |
| (303) 500-55** | (303) 500-5510 - (303) 500-5573 | 3 |
| (303) 500-56** | (303) 500-5619 - (303) 500-5648 | 5 |
| (303) 500-57** | (303) 500-5701 - (303) 500-5786 | 6 |
| (303) 500-58** | (303) 500-5809 - (303) 500-5859 | 3 |
US Phone Directory: (303) 500-5***
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